Postal Codes

61275 ZIP Code

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ZIP code 61275 covers Port Byron, Illinois, with a population of about 4,226 and a median household income of $99,583.

Population
4,226127 per square mile
Median age
47.48.7 points above the US average
Median household income
$99,5831.2× the Illinois median
Poverty rate
7.3%5.1 points below the US average
Typical home value
$318,396up 28.3% in five years
Median rent
$68444% below the Illinois median
Degree or higher
29.9%5.1 points below the US average
Homeownership
84.5%19.5 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
75

Where 61275 is

Port Byron, Illinois — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population4,226
Median age47.4
Family households73.8%
Born outside the US1.4%
Speaks a language other than English at home2.1%
White (non-Hispanic)91.6%
Black (non-Hispanic)0.5%
Asian (non-Hispanic)0%
Hispanic or Latino4.4%
Veterans7.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$99,583
Income per person$47,098
Poverty rate7.3%
Households on SNAP or cash assistance10.3%

Household income distribution

Under $10k2.9%
$10–15k2.0%
$15–20k2.7%
$20–25k4.3%
$25–30k1.2%
$30–35k2.8%
$35–40k0.6%
$40–45k1.9%
$45–50k1.1%
$50–60k5.8%
$60–75k12.1%
$75–100k12.4%
$100–125k13.0%
$125–150k9.2%
$150–200k9.6%
$200k or more18.2%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,090
Mean adjusted gross income$112,258
Returns declaring $200,000 or more8.6%
Returns, under $25k21.5%
Returns, $25k–$50k17.2%
Returns, $50k–$75k12.4%
Returns, $75k–$100k11.5%
Returns, $100k–$200k28.7%
Returns, $200k or more8.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$235,800
Median gross rent$684
Rent as a share of household income21.1%
Owner-occupied84.5%
Vacant homes3.5%
Median year built1975

What the homes are

Detached house83.8%
Attached house0.8%
2 to 4 units0.8%
5 to 19 units5.1%
Mobile home9.5%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$318,396as of 2026-07
Typical home value, 1 yearup 9.6%
Typical home value, 5 yearsup 28.3%
Typical home value, 10 yearsup 56.8%
Typical home value since 2000
200620162026$318,396$176,648

$179,349 in 2006 to $318,396 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.5%
Bachelor's degree or higher29.9%
High school diploma or higher96.3%
Works from home12.1%
Drives to work alone73.7%
Takes public transport0%
Commutes 45 minutes or more6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.8% 3.4 pts above the national average of 33.4%
Diagnosed diabetes10.9% 1.1 pts below the national average of 12%
Currently smokes12.8% same as the national average of 13.2%
High blood pressure34.1% same as the national average of 34.1%
Fair or poor general health16.2% 4.1 pts below the national average of 20.3%
No health insurance (18–64)6.2% 5.1 pts below the national average of 11.3%
Depression20.7% 1.2 pts below the national average of 21.9%
No leisure-time physical activity19.7% 5.7 pts below the national average of 25.4%
Arthritis28.8% 3.7 pts above the national average of 25.1%
Binge drinking19.7% 3.7 pts above the national average of 16%
Taking blood pressure medication78.2% 3.5 pts above the national average of 74.7%
Cancer (non-skin)9.9% 2.2 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease6.6% same as the national average of 6.2%
Routine check-up in past year78.8% 2.1 pts above the national average of 76.7%
Cholesterol screening89.1% 3.2 pts above the national average of 85.9%
Cognitive disability11.6% 3.2 pts below the national average of 14.8%
Colorectal screening66.4% 2.1 pts above the national average of 64.3%
COPD7% same as the national average of 6.6%
Visited a dentist66.6% 5.3 pts above the national average of 61.3%
Any disability26.6% 4.1 pts below the national average of 30.7%
Lacks emotional support21.9% 2.9 pts below the national average of 24.8%
Food insecurity9.8% 7.3 pts below the national average of 17.1%
Received food stamps9% 5.3 pts below the national average of 14.3%
Hearing disability7.1% same as the national average of 6.7%
High cholesterol37.7% 1.5 pts above the national average of 36.2%
Housing insecurity8.5% 5.3 pts below the national average of 13.8%
Independent living disability6.9% 1.5 pts below the national average of 8.4%
Lacks transport5.6% 3.6 pts below the national average of 9.2%
Loneliness30.8% 3.6 pts below the national average of 34.4%
Mammography use74.7% 1.2 pts below the national average of 75.9%
Poor mental health (14+ days)15.6% 1.2 pts below the national average of 16.8%
Mobility disability12.4% 1.6 pts below the national average of 14%
Poor physical health (14+ days)12.5% 1 pts below the national average of 13.5%
Self-care disability3.1% 0.9 pts below the national average of 4%
Utility shut-off threat5.4% 3.4 pts below the national average of 8.8%
Sleeps under 7 hours33.8% 2.6 pts below the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost8.6% 4.4 pts below the national average of 13%
Vision disability3.8% 1.8 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments75
People employed330
Annual payroll$21,378,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 53.2% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 3 census tracts this ZIP code covers
Expected annual loss57 out of 100
Community resilience80.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought94.6Relatively Moderate at its worst in this ZIP code
Landslide92.4Relatively Low at its worst in this ZIP code
Cold wave86.9Relatively High at its worst in this ZIP code
Strong wind83.4Relatively High at its worst in this ZIP code
Hail81.4Relatively Moderate at its worst in this ZIP code
Winter weather77.1Relatively High at its worst in this ZIP code
Heat wave75.5Relatively High at its worst in this ZIP code
Lightning70.5Relatively High at its worst in this ZIP code
Tornado68.7Relatively High at its worst in this ZIP code
Ice storm66.3Relatively Moderate at its worst in this ZIP code
River flooding61.3Relatively High at its worst in this ZIP code
Wildfire41Very Low at its worst in this ZIP code
Earthquake31.5Very Low at its worst in this ZIP code
Hurricane22.2Very Low at its worst in this ZIP code
Compared with Illinois and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIllinoisUnited States
Median household income$99,583$81,702$78,538
Income per person$47,098$45,104$43,289
Poverty rate7.3%11.7%12.4%
Median home value$235,800$250,500$303,400
Median gross rent$684$1,227$1,348
Homeownership84.5%66.8%65%
Bachelor's degree or higher29.9%37.2%35%
Unemployment rate5.5%5.8%5.2%
Works from home12.1%14%13.5%
Born outside the US1.4%14.4%13.9%
Median age47.438.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationLE CLAIRE L&D 14, IA US6.9 km away
Rain in a year37 in

Average high and low by month

January30.5°F / 14.1°F1.51 in rain
February34.7°F / 17.7°F1.64 in rain
March47.1°F / 28.4°F2.57 in rain
April60.6°F / 39.8°F3.77 in rain
May72°F / 51.7°F4.81 in rain
June81.5°F / 62.3°F4.61 in rain
July85°F / 66.1°F4.17 in rain
August83°F / 64.1°F4.06 in rain
September76.6°F / 56°F3.35 in rain
October63.6°F / 43.8°F2.6 in rain
November48.4°F / 31.4°F2.14 in rain
December35.7°F / 20.5°F1.89 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Riverdale Community Unit School District 10088.5% of this ZIP code's land area
Silvis School District 345.8% of this ZIP code's land area
United Township High School District 305.8% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability15more vulnerable than 15% of US census tracts
Socioeconomic status22more vulnerable than 22% of US census tracts
Household characteristics35more vulnerable than 35% of US census tracts
Racial and ethnic minority status18more vulnerable than 18% of US census tracts
Housing type and transport13more vulnerable than 13% of US census tracts
Walkability4.1 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

61278 Rapids City, IL2.6 km away
52753 Le Claire, IA3.1 km away
61257 Hillsdale, IL8.4 km away
52767 Pleasant Valley, IA8.4 km away
61256 Hampton, IL8.6 km away
61236 Barstow, IL10 km away
52768 Princeton, IA10.1 km away
61242 Cordova, IL10.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Rock Island County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area33.25 sq mi
Water area1.14 sq mi
Population density127 people per sq mi
Latitude, longitude41.6013, -90.3263

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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